fix(dropdown_menu): Open as modal on mobile (#4295)

* fix(dropdown_menu): Open as modal on mobile

* fix(dropdown_menu): Open modal on touch

* fix(dropdown_menu): Show status

* fix(dropdown_menu): Max dimensions and reduce padding

* chore(dropdown_menu): Test new functionality

* refactor: Use DropdownMenuContainer instead of DropdownMenu

* feat(privacy_dropdown): Open as modal on touch devices

* feat(modal_root): Do not load actions-modal async

11 files changed, 235 insertions, 34 deletions

diff --git a/app/javascript/mastodon/components/dropdown_menu.js b/app/javascript/mastodon/components/dropdown_menu.js
index 98323b069..8e9e6ab94 100644
--- a/app/javascript/mastodon/components/dropdown_menu.js
+++ b/app/javascript/mastodon/components/dropdown_menu.js
@@ -1,4 +1,5 @@
 import React from 'react';
+import ImmutablePropTypes from 'react-immutable-proptypes';
 import Dropdown, { DropdownTrigger, DropdownContent } from 'react-simple-dropdown';
 import PropTypes from 'prop-types';
 
@@ -9,16 +10,23 @@ export default class DropdownMenu extends React.PureComponent {
   };
 
   static propTypes = {
+    isUserTouching: PropTypes.func,
+    isModalOpen: PropTypes.bool.isRequired,
+    onModalOpen: PropTypes.func,
+    onModalClose: PropTypes.func,
     icon: PropTypes.string.isRequired,
     items: PropTypes.array.isRequired,
     size: PropTypes.number.isRequired,
     direction: PropTypes.string,
+    status: ImmutablePropTypes.map,
     ariaLabel: PropTypes.string,
     disabled: PropTypes.bool,
   };
 
   static defaultProps = {
     ariaLabel: 'Menu',
+    isModalOpen: false,
+    isUserTouching: () => false,
   };
 
   state = {
@@ -34,6 +42,10 @@ export default class DropdownMenu extends React.PureComponent {
     const i = Number(e.currentTarget.getAttribute('data-index'));
     const { action, to } = this.props.items[i];
 
+    if (this.props.isModalOpen) {
+      this.props.onModalClose();
+    }
+
     // Don't call e.preventDefault() when the item uses 'href' property.
     // ex. "Edit profile" on the account action bar
 
@@ -48,7 +60,17 @@ export default class DropdownMenu extends React.PureComponent {
     this.dropdown.hide();
   }
 
-  handleShow = () => this.setState({ expanded: true })
+  handleShow = () => {
+    if (this.props.isUserTouching()) {
+      this.props.onModalOpen({
+        status: this.props.status,
+        actions: this.props.items,
+        onClick: this.handleClick,
+      });
+    } else {
+      this.setState({ expanded: true });
+    }
+  }
 
   handleHide = () => this.setState({ expanded: false })
 
@@ -71,6 +93,7 @@ export default class DropdownMenu extends React.PureComponent {
   render () {
     const { icon, items, size, direction, ariaLabel, disabled } = this.props;
     const { expanded }   = this.state;
+    const isUserTouching = this.props.isUserTouching();
     const directionClass = (direction === 'left') ? 'dropdown__left' : 'dropdown__right';
     const iconStyle      = { fontSize: `${size}px`, width: `${size}px`, lineHeight: `${size}px` };
     const iconClassname  = `fa fa-fw fa-${icon} dropdown__icon`;
@@ -89,15 +112,21 @@ export default class DropdownMenu extends React.PureComponent {
       </ul>
     );
 
+    // No need to render the actual dropdown if we use the modal. If we
+    // don't render anything <Dropdow /> breaks, so we just put an empty div.
+    const dropdownContent = !isUserTouching ? (
+      <DropdownContent className={directionClass}>
+        {dropdownItems}
+      </DropdownContent>
+    ) : <div />;
+
     return (
-      <Dropdown ref={this.setRef} onShow={this.handleShow} onHide={this.handleHide}>
+      <Dropdown ref={this.setRef} active={isUserTouching ? false : undefined} onShow={this.handleShow} onHide={this.handleHide}>
         <DropdownTrigger className='icon-button' style={iconStyle} aria-label={ariaLabel}>
           <i className={iconClassname} aria-hidden />
         </DropdownTrigger>
 
-        <DropdownContent className={directionClass}>
-          {dropdownItems}
-        </DropdownContent>
+        {dropdownContent}
       </Dropdown>
     );
   }
diff --git a/app/javascript/mastodon/components/status_action_bar.js b/app/javascript/mastodon/components/status_action_bar.js
index 4e02e6fad..5c83d626e 100644
--- a/app/javascript/mastodon/components/status_action_bar.js
+++ b/app/javascript/mastodon/components/status_action_bar.js
@@ -2,7 +2,7 @@ import React from 'react';
 import ImmutablePropTypes from 'react-immutable-proptypes';
 import PropTypes from 'prop-types';
 import IconButton from './icon_button';
-import DropdownMenu from './dropdown_menu';
+import DropdownMenuContainer from '../containers/dropdown_menu_container';
 import { defineMessages, injectIntl } from 'react-intl';
 import ImmutablePureComponent from 'react-immutable-pure-component';
 
@@ -156,7 +156,7 @@ export default class StatusActionBar extends ImmutablePureComponent {
         {shareButton}
 
         <div className='status__action-bar-dropdown'>
-          <DropdownMenu disabled={anonymousAccess} items={menu} icon='ellipsis-h' size={18} direction='right' ariaLabel='More' />
+          <DropdownMenuContainer disabled={anonymousAccess} status={status} items={menu} icon='ellipsis-h' size={18} direction='right' ariaLabel='More' />
         </div>
       </div>
     );
diff --git a/app/javascript/mastodon/containers/dropdown_menu_container.js b/app/javascript/mastodon/containers/dropdown_menu_container.js
new file mode 100644
index 000000000..151f25390
--- /dev/null
+++ b/app/javascript/mastodon/containers/dropdown_menu_container.js
@@ -0,0 +1,16 @@
+import { openModal, closeModal } from '../actions/modal';
+import { connect } from 'react-redux';
+import DropdownMenu from '../components/dropdown_menu';
+import { isUserTouching } from '../is_mobile';
+
+const mapStateToProps = state => ({
+  isModalOpen: state.get('modal').modalType === 'ACTIONS',
+});
+
+const mapDispatchToProps = dispatch => ({
+  isUserTouching,
+  onModalOpen: props => dispatch(openModal('ACTIONS', props)),
+  onModalClose: () => dispatch(closeModal()),
+});
+
+export default connect(mapStateToProps, mapDispatchToProps)(DropdownMenu);
diff --git a/app/javascript/mastodon/features/account/components/action_bar.js b/app/javascript/mastodon/features/account/components/action_bar.js
index b8df724c6..b773045fb 100644
--- a/app/javascript/mastodon/features/account/components/action_bar.js
+++ b/app/javascript/mastodon/features/account/components/action_bar.js
@@ -1,7 +1,7 @@
 import React from 'react';
 import ImmutablePropTypes from 'react-immutable-proptypes';
 import PropTypes from 'prop-types';
-import DropdownMenu from '../../../components/dropdown_menu';
+import DropdownMenuContainer from '../../../containers/dropdown_menu_container';
 import Link from 'react-router-dom/Link';
 import { defineMessages, injectIntl, FormattedMessage, FormattedNumber } from 'react-intl';
 
@@ -96,7 +96,7 @@ export default class ActionBar extends React.PureComponent {
 
         <div className='account__action-bar'>
           <div className='account__action-bar-dropdown'>
-            <DropdownMenu items={menu} icon='bars' size={24} direction='right' />
+            <DropdownMenuContainer items={menu} icon='bars' size={24} direction='right' />
           </div>
 
           <div className='account__action-bar-links'>
diff --git a/app/javascript/mastodon/features/compose/components/privacy_dropdown.js b/app/javascript/mastodon/features/compose/components/privacy_dropdown.js
index 9524f7501..33ce7db46 100644
--- a/app/javascript/mastodon/features/compose/components/privacy_dropdown.js
+++ b/app/javascript/mastodon/features/compose/components/privacy_dropdown.js
@@ -24,6 +24,10 @@ const iconStyle = {
 export default class PrivacyDropdown extends React.PureComponent {
 
   static propTypes = {
+    isUserTouching: PropTypes.func,
+    isModalOpen: PropTypes.bool.isRequired,
+    onModalOpen: PropTypes.func,
+    onModalClose: PropTypes.func,
     value: PropTypes.string.isRequired,
     onChange: PropTypes.func.isRequired,
     intl: PropTypes.object.isRequired,
@@ -34,7 +38,25 @@ export default class PrivacyDropdown extends React.PureComponent {
   };
 
   handleToggle = () => {
-    this.setState({ open: !this.state.open });
+    if (this.props.isUserTouching()) {
+      if (this.state.open) {
+        this.props.onModalClose();
+      } else {
+        this.props.onModalOpen({
+          actions: this.options.map(option => ({ ...option, active: option.value === this.props.value })),
+          onClick: this.handleModalActionClick,
+        });
+      }
+    } else {
+      this.setState({ open: !this.state.open });
+    }
+  }
+
+  handleModalActionClick = (e) => {
+    e.preventDefault();
+    const { value } = this.options[e.currentTarget.getAttribute('data-index')];
+    this.props.onModalClose();
+    this.props.onChange(value);
   }
 
   handleClick = (e) => {
@@ -50,6 +72,17 @@ export default class PrivacyDropdown extends React.PureComponent {
     }
   }
 
+  componentWillMount () {
+    const { intl: { formatMessage } } = this.props;
+
+    this.options = [
+      { icon: 'globe', value: 'public', text: formatMessage(messages.public_short), meta: formatMessage(messages.public_long) },
+      { icon: 'unlock-alt', value: 'unlisted', text: formatMessage(messages.unlisted_short), meta: formatMessage(messages.unlisted_long) },
+      { icon: 'lock', value: 'private', text: formatMessage(messages.private_short), meta: formatMessage(messages.private_long) },
+      { icon: 'envelope', value: 'direct', text: formatMessage(messages.direct_short), meta: formatMessage(messages.direct_long) },
+    ];
+  }
+
   componentDidMount () {
     window.addEventListener('click', this.onGlobalClick);
     window.addEventListener('touchstart', this.onGlobalClick);
@@ -68,25 +101,18 @@ export default class PrivacyDropdown extends React.PureComponent {
     const { value, intl } = this.props;
     const { open } = this.state;
 
-    const options = [
-      { icon: 'globe', value: 'public', shortText: intl.formatMessage(messages.public_short), longText: intl.formatMessage(messages.public_long) },
-      { icon: 'unlock-alt', value: 'unlisted', shortText: intl.formatMessage(messages.unlisted_short), longText: intl.formatMessage(messages.unlisted_long) },
-      { icon: 'lock', value: 'private', shortText: intl.formatMessage(messages.private_short), longText: intl.formatMessage(messages.private_long) },
-      { icon: 'envelope', value: 'direct', shortText: intl.formatMessage(messages.direct_short), longText: intl.formatMessage(messages.direct_long) },
-    ];
-
-    const valueOption = options.find(item => item.value === value);
+    const valueOption = this.options.find(item => item.value === value);
 
     return (
       <div ref={this.setRef} className={`privacy-dropdown ${open ? 'active' : ''}`}>
         <div className='privacy-dropdown__value'><IconButton className='privacy-dropdown__value-icon' icon={valueOption.icon} title={intl.formatMessage(messages.change_privacy)} size={18} active={open} inverted onClick={this.handleToggle} style={iconStyle} /></div>
         <div className='privacy-dropdown__dropdown'>
-          {open && options.map(item =>
+          {open && this.options.map(item =>
             <div role='button' tabIndex='0' key={item.value} data-index={item.value} onClick={this.handleClick} className={`privacy-dropdown__option ${item.value === value ? 'active' : ''}`}>
               <div className='privacy-dropdown__option__icon'><i className={`fa fa-fw fa-${item.icon}`} /></div>
               <div className='privacy-dropdown__option__content'>
-                <strong>{item.shortText}</strong>
-                {item.longText}
+                <strong>{item.text}</strong>
+                {item.meta}
               </div>
             </div>
           )}
diff --git a/app/javascript/mastodon/features/compose/containers/privacy_dropdown_container.js b/app/javascript/mastodon/features/compose/containers/privacy_dropdown_container.js
index 9c05e054e..0ddf531d3 100644
--- a/app/javascript/mastodon/features/compose/containers/privacy_dropdown_container.js
+++ b/app/javascript/mastodon/features/compose/containers/privacy_dropdown_container.js
@@ -1,8 +1,11 @@
 import { connect } from 'react-redux';
 import PrivacyDropdown from '../components/privacy_dropdown';
 import { changeComposeVisibility } from '../../../actions/compose';
+import { openModal, closeModal } from '../../../actions/modal';
+import { isUserTouching } from '../../../is_mobile';
 
 const mapStateToProps = state => ({
+  isModalOpen: state.get('modal').modalType === 'ACTIONS',
   value: state.getIn(['compose', 'privacy']),
 });
 
@@ -12,6 +15,10 @@ const mapDispatchToProps = dispatch => ({
     dispatch(changeComposeVisibility(value));
   },
 
+  isUserTouching,
+  onModalOpen: props => dispatch(openModal('ACTIONS', props)),
+  onModalClose: () => dispatch(closeModal()),
+
 });
 
 export default connect(mapStateToProps, mapDispatchToProps)(PrivacyDropdown);
diff --git a/app/javascript/mastodon/features/status/components/action_bar.js b/app/javascript/mastodon/features/status/components/action_bar.js
index 5e150842e..c4d4bb747 100644
--- a/app/javascript/mastodon/features/status/components/action_bar.js
+++ b/app/javascript/mastodon/features/status/components/action_bar.js
@@ -2,7 +2,7 @@ import React from 'react';
 import PropTypes from 'prop-types';
 import IconButton from '../../../components/icon_button';
 import ImmutablePropTypes from 'react-immutable-proptypes';
-import DropdownMenu from '../../../components/dropdown_menu';
+import DropdownMenuContainer from '../../../containers/dropdown_menu_container';
 import { defineMessages, injectIntl } from 'react-intl';
 
 const messages = defineMessages({
@@ -84,7 +84,7 @@ export default class ActionBar extends React.PureComponent {
         <div className='detailed-status__button'><IconButton animate active={status.get('favourited')} title={intl.formatMessage(messages.favourite)} icon='star' onClick={this.handleFavouriteClick} activeStyle={{ color: '#ca8f04' }} /></div>
 
         <div className='detailed-status__action-bar-dropdown'>
-          <DropdownMenu size={18} icon='ellipsis-h' items={menu} direction='left' ariaLabel='More' />
+          <DropdownMenuContainer size={18} icon='ellipsis-h' items={menu} direction='left' ariaLabel='More' />
         </div>
       </div>
     );
diff --git a/app/javascript/mastodon/features/ui/components/actions_modal.js b/app/javascript/mastodon/features/ui/components/actions_modal.js
new file mode 100644
index 000000000..0fc2560ff
--- /dev/null
+++ b/app/javascript/mastodon/features/ui/components/actions_modal.js
@@ -0,0 +1,72 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+import ImmutablePureComponent from 'react-immutable-pure-component';
+import StatusContent from '../../../components/status_content';
+import Avatar from '../../../components/avatar';
+import RelativeTimestamp from '../../../components/relative_timestamp';
+import DisplayName from '../../../components/display_name';
+import IconButton from '../../../components/icon_button';
+
+export default class ReportModal extends ImmutablePureComponent {
+
+  static propTypes = {
+    actions: PropTypes.array,
+    onClick: PropTypes.func,
+    intl: PropTypes.object.isRequired,
+  };
+
+  renderAction = (action, i) => {
+    if (action === null) {
+      return <li key={`sep-${i}`} className='dropdown__sep' />;
+    }
+
+    const { icon = null, text, meta = null, active = false, href = '#' } = action;
+
+    return (
+      <li key={`${text}-${i}`}>
+        <a href={href} target='_blank' rel='noopener' onClick={this.props.onClick} data-index={i} className={active && 'active'}>
+          {icon && <IconButton title={text} icon={icon} />}
+          <div>
+            <div>{text}</div>
+            <div>{meta}</div>
+          </div>
+        </a>
+      </li>
+    );
+  }
+
+  render () {
+    const status = this.props.status && (
+      <div className='status light'>
+        <div className='boost-modal__status-header'>
+          <div className='boost-modal__status-time'>
+            <a href={this.props.status.get('url')} className='status__relative-time' target='_blank' rel='noopener'>
+              <RelativeTimestamp timestamp={this.props.status.get('created_at')} />
+            </a>
+          </div>
+
+          <a href={this.props.status.getIn(['account', 'url'])} className='status__display-name'>
+            <div className='status__avatar'>
+              <Avatar src={this.props.status.getIn(['account', 'avatar'])} staticSrc={this.props.status.getIn(['account', 'avatar_static'])} size={48} />
+            </div>
+
+            <DisplayName account={this.props.status.get('account')} />
+          </a>
+        </div>
+
+        <StatusContent status={this.props.status} />
+      </div>
+    );
+
+    return (
+      <div className='modal-root__modal actions-modal'>
+        {status}
+
+        <ul>
+          {this.props.actions.map(this.renderAction)}
+        </ul>
+      </div>
+    );
+  }
+
+}
diff --git a/app/javascript/mastodon/features/ui/components/modal_root.js b/app/javascript/mastodon/features/ui/components/modal_root.js
index f303088d7..4a917e0a3 100644
--- a/app/javascript/mastodon/features/ui/components/modal_root.js
+++ b/app/javascript/mastodon/features/ui/components/modal_root.js
@@ -5,6 +5,7 @@ import spring from 'react-motion/lib/spring';
 import BundleContainer from '../containers/bundle_container';
 import BundleModalError from './bundle_modal_error';
 import ModalLoading from './modal_loading';
+import ActionsModal from '../components/actions_modal';
 import {
   MediaModal,
   OnboardingModal,
@@ -21,6 +22,7 @@ const MODAL_COMPONENTS = {
   'BOOST': BoostModal,
   'CONFIRM': ConfirmationModal,
   'REPORT': ReportModal,
+  'ACTIONS': () => Promise.resolve({ default: ActionsModal }),
 };
 
 export default class ModalRoot extends React.PureComponent {
diff --git a/app/javascript/mastodon/is_mobile.js b/app/javascript/mastodon/is_mobile.js
index 992e63727..e9903d59e 100644
--- a/app/javascript/mastodon/is_mobile.js
+++ b/app/javascript/mastodon/is_mobile.js
@@ -5,6 +5,15 @@ export function isMobile(width) {
 };
 
 const iOS = /iPad|iPhone|iPod/.test(navigator.userAgent) && !window.MSStream;
+let userTouching = false;
+
+window.addEventListener('touchstart', () => {
+  userTouching = true;
+}, { once: true });
+
+export function isUserTouching() {
+  return userTouching;
+}
 
 export function isIOS() {
   return iOS;
diff --git a/app/javascript/styles/components.scss b/app/javascript/styles/components.scss
index a51cd962e..03bc77eb5 100644
--- a/app/javascript/styles/components.scss
+++ b/app/javascript/styles/components.scss
@@ -214,16 +214,18 @@
 }
 
 .dropdown--active::after {
-  content: "";
-  display: block;
-  position: absolute;
-  width: 0;
-  height: 0;
-  border-style: solid;
-  border-width: 0 4.5px 7.8px;
-  border-color: transparent transparent $ui-secondary-color;
-  bottom: 8px;
-  right: 104px;
+  @media screen and (min-width: 1025px) {
+    content: "";
+    display: block;
+    position: absolute;
+    width: 0;
+    height: 0;
+    border-style: solid;
+    border-width: 0 4.5px 7.8px;
+    border-color: transparent transparent $ui-secondary-color;
+    bottom: 8px;
+    right: 104px;
+  }
 }
 
 .invisible {
@@ -3402,7 +3404,8 @@ button.icon-button.active i.fa-retweet {
 
 .boost-modal,
 .confirmation-modal,
-.report-modal {
+.report-modal,
+.actions-modal {
   background: lighten($ui-secondary-color, 8%);
   color: $ui-base-color;
   border-radius: 8px;
@@ -3493,6 +3496,43 @@ button.icon-button.active i.fa-retweet {
   }
 }
 
+.actions-modal {
+  .status {
+    overflow-y: auto;
+    max-height: 300px;
+  }
+
+  max-height: 80vh;
+  max-width: 80vw;
+
+  ul {
+    overflow-y: auto;
+    flex-shrink: 0;
+
+    li:not(:empty) {
+      a {
+        color: $ui-base-color;
+        display: flex;
+        padding: 10px;
+        align-items: center;
+        text-decoration: none;
+
+        &.active {
+          &,
+          button {
+            background: $ui-highlight-color;
+            color: $primary-text-color;
+          }
+        }
+
+        button:first-child {
+          margin-right: 10px;
+        }
+      }
+    }
+  }
+}
+
 .confirmation-modal__action-bar {
   .confirmation-modal__cancel-button {
     background-color: transparent;